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10-3/4 Inch H40 Coupled Casing String from United States

This is a 10-3/4 inch H40 grade casing string, fully threaded and coupled, made from non-alloy steel. It is used in oil and gas drilling operations to line the wellbore and provide structural support. The welded, threaded construction places it under tariff item 7306.29.00 for other casing and tubing used in drilling for oil or gas.

Duty Rate — United States → Canada

50%

Rate breakdown

26SUR5050%United States Surtax Order (2026) — 50% on US products

Import Tips

• Ensure the casing meets API 5CT specifications and is properly documented as non-alloy steel

• Verify the country of origin to determine applicable free trade agreement duty rates

• Be prepared to provide a mill test certificate to support the H40 grade classification